FOREIGN Secretary Boris Johnson has said the NHS could receive even more money after Brexit than the £350million previously promised by the leave campaign during the EU referendum.

The Conservative Minister has said the official Vote Leave campaign made “an error” and could have used an even higher figure to illustrate how much money sent to bureaucratic Brussels could be spent on the health service.

The MP pointed out the UK’s gross contribution would rise to £438 million by 2021, the last year of an expected transition period.

He said: “There was an error on the side of the bus.

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Boris Johnson has claimed the NHS could get as much as £438 million by 2021

Meanwhile, EU cheerleader and Labour MP Alison McGovern said: “Our NHS is in the middle of a winter crisis and Boris Johnson's solution is to return to the scene of his previous crimes and promise ever larger slices of pie in the sky.”

Mr Johnson’s recommittal to the figures comes in the same week that there were reports the MP was worried that Brexit would never happen.

The Tory frontbencher was reported to have admitted he feared the “establishment” will increase their efforts to frustrate the divorce process throughout 2018.

He was believed to have told friends Brexit is far from sealed and Leavers still faced a huge fight.

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During the EU referendum the leave campaign said £350million a week could be spent on the NHS

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The money was one of the leave campaign's major selling points

However, he has since dismissed having concerns and said he doesn’t believe the UK will end up stuck in the restrictive trade bloc.

He said: “I genuinely don't think that will happen in this case.

“I think that something very profound has happened in the UK.

“And I think actually were there to be - I don't think there should be a second referendum - I think the result would be pretty much the same, or the result would be more heavy for leave, I really do.”